Automatic weighing mechanism.



APPLICATION FILED JUNE 7, 1911.

Patented Feb. 18, 1913.

2 SHEETS-SHEET 1.

B. S. ANDERSON.

AUTOMATIC WEIGHING MECHANISM.

APPLICATION FILED 11111111, 1911.

1,053,769. Patented Feb. 18,1913.

2 SHEETS-SHEET 2.

\ T TL. 1

3mm 1 Edd/raid J. flnaamam Window WMWJM 1 5M Improvements eratcd from the scale.

- and cut-off mechanism therefor. a detail plan view of the latching plat" and UNITED STATES, PATENT OFFICE.

EDVVAR-D S. ANDERSON, OF MABEL, MINNESOTA.

AUTOMATIC WEIGHING MECHANISM.

Specification of Letters Patent.

To all whom it may concern:

Be it known that I, EDWARD S. Axoiinsox, a citizen of the United States, residing at .\label, in the county of l"illn'iorc and State of Minnesota, have invented new and useful in Automatic. Veighing Mechanism, of which the following is a specification.

This invention relates to certain novel and useful improvements in automatic weighing mechanism, and has particular application to an apparatus whereby the ma terial being dispensed, such as sugar, coffee or the like is permitted to flow through a delivery'chute or spout from a bin or hopper, to the scales, until the predetermined weight .of material has been deposited thereon,

when the flow of the material will be automatically cut off;

Still a further object of my invention is to provide a weighing mechanism adapted to controlthe flow of the material from the bin, the controlling means being actuated by the scales to operate a shutter or door controlling the outlet from the bin.

Another object of the invention is to provide a mechanism of the class described cmbodying the desired features of simplicity and durability, coupled with chcapness and cliicicncy in operation.

lVith the abovc rccitcd objects and others of a similar nature in View, the invention consists in the con truction. combination and arrangement of parts, set forth in and falling within the scopcof the appended claims.

In the accompanying drawings:--ligurc 1 is a perspective vi'cwot' the automatic weighing mechani m embodying my invention, showing the scales-the containing bin and the automatic cutoff for the latter op- Fig. 2 is a vertical sectional view, taken through the hopp r Fig. 3 is the tripping mechanism therefor. Fig. 4-

is a similar view ofthc cut oil mechanism.

Fig. :1 is a vertical sectional view of a detail of the invention, parts being shown in elevation. Y

Referring now to the accompanying drawings in detail, the letter A designates a pair of scales, which are herein shown conventionally and in which 1 indicates the platform or base, 2 the-scoop thereon, 3 the pan post, 4, the pan, and 5 the scale beam. This scale is adapted to be mounted below Patented Feb. 1913.

Application filed June 7, 1911. Serial No. 631.745.

and adjaccntto the bin or other receptacle B, which is provided with an inclined or hopper-shaped bottom (3. the sides of which converge to the outlet 7. .'\rranged at the outlet is the downwardly extending chute or spout 8. which is designed to deliver the material to the receiving scoop or other deviluptn the scale. The outlet 7 is atlapted to be controlled by the sliding plate 9 vertically arranged relative to the front of the bin, said plate being guided by the guide strip or bar 10. secured to the front of the bin and having a recess 11 for permitting the passage of the shutter. To the upper end of the shutter is pivotally connected as at 12 the arm 13 fulcrumed at 14 to the front of the bin, said arm extending through a slot. 15 in the forwardly projecting support 16 connected to the bin, the end of the arm having a projecting lip 17 forming a. convenient handle for actuating the arm to elevate the shutter and uncover the outlet. Pivotally connected atl8 to the inner side of the wall 16 is a latching plate 19 preferably triangular in form, the end 20 of which is designed to engage with the top of the arm 13, when the latteris iii position to elevate the shutter: To the outer end of the latching plate is pivotally connected at 21 the upper end of the link arm 22, the lt'iwer end of said arm being pivoted at 23 to the lever 24, said latter being fulcrumedupon the stud shafts 25 adjustably arranged in the slotted portion 26 of the wall, said stud being held in any position of vertiml adjustment in the slot by means of the thumb screw 97 crewed onto the threaded end 28 ot the stud. The free end 29 of the levcris designed to be connected by a link or the like 30, to the pan 4 of the scale. I

From the above description, taken in coin u ction with the accompanying drawings. tluconstruction and operation of my invention will be readily apparent. hen it is dcsirc'd to weigh out a determined quantity of material, the proper weights are placed upon the scale, and the shutter is then clevatcd by depressing the end of the arm having the lip or handle, and the material flows onto the scales. As the rcdeterrnincit weight is reached, the scale pan rises and in doing so actuates the lever 24 and the latter through the link arm 22 moves the locking plate 1.) outward on its pivot away .rom locking position in contact with the upper edge of the arm 13, thereby releasing tion, and is (le1. endent upon the individual atlte iitionof a clerk or the like, the liabilitt 1Q inerehauts losing" through overweight isobviated and at the same time the proper amount of n' aterial is delivered to the scales.

-(bile I have herein-shown and described my invention as employed in connection application to this particular scale, as it may beope'rated in connection with other forms of weighing devices, and furthermore, [do not lin'iit mysel'f to theprecise details of construction herein set forth, as modification andw'aiiation may be lnade without departingrfrom the spiritf of the invention or exceeding, the scope of thd'appended .cl.airns :l=. im

1. Th. combinationwith amaterial-contaming hinhaving an: outlet and weighing scales arranged adjacent tl ie reto, or .a spout I connected to 'thge outit ot the bin and "extending over .theiveigh' a movable h -ten mun-oilin he. t qu l e utlet p voted armj e to said shutter, annual-ran ed at'an angle" 3,1 tosaid arn nd adapted to hold.v the shutter in open. posit on, and, connections between a d; see. atqh, fe Mee ing t e latch upon,theupvvardimQYemgntofitheconnected' port-1.0,, Qt he scale to'release the arm and permit the, closing of ,ju'ith' onetvpe of scaleI -Wish it to be understood ,tlia'tit is not limited in its useful flow of material.

between the opposite ends of the leverand 2. The combination with a bin having anoutlet and weighing, scales arranged adja cent thereto, of a spout at the outlet of the bin for depositing material upon the scale, a shutter for the outlet comprising a vertical 45 movable plate, an arm pivoted at one end 1 to said plateand fulcrumed intermediate its length to the' bin, alatch comprising aplate member having one edge adapted to engage- I with the arm to hold the shutterin elevated; 50 position, a link arm connected to said latch plate, a lever fu'lcrumed at one. end and; connected to said linlrjarm, and connections the scale. 7

3. The combination with a bin' having an outlet and weighing scales arranged adja'-'-' cent thereto, of a spout atthe' outlet of'the bin for delivering material to the scale, ashutter for the'outlet comprising a vertically o0 movable plate, an arm connect-edatone end to said plate and pivoted intermediate its length to the bin, the oppositeend ofsaid arml'iaving a lip'or extension by which the arn'i may be moved to elevate the shutter, a 65 latching plate adapted toen'gage with the arm, as'upport arranged at an angle to the bin wall and to which the latching plate is pivoted, a link connected atone endto'the late-hing plate, a lever 'fulcrumed to the 70 angular \vall'a nd to which" the opposite end of thelink' is connected, and aconnection between said lever and 'thescales.

In testimony'u'hereof I afiix my-signature in presence offtwo witnesses")- I m nv nn 's. annnnson. itnesses: I

T. A. JOHNSON, M;- s- 

